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AlBr3 is sold as a solution in CH2Br2. This is a rather exotic solvent and somewhat difficult to work with as well, because of its relatively high boiling point. CH2Cl2 is much more convenient to use in organic synthesis. Assuming AlBr3 is soluble in CH2Cl2, explain why selling it as a solution in that solvent might not be a good idea.
its freezing point depression constant is 8.37*C per molal. Use your corrected average temperature (5.0*C) to find the molality of the water in the alcohol. Find the percent water in the alcohol.
A solution of 120 mL of 0.150 M KOH is mixed with a solution of 260 mL of 0.200 M NiSO4. How many grams of the precipitate can be formed?
what is the atomic radius of carbon. calculate length, continuous chain of 18 carbon atom
Draw the structures of [Co(NH3)6]Cl3 and [Co(NH3)5Cl]Cl2. Explain the difference between the chlorides in [Co(NH3)6]Cl3 and [Co(NH3)5Cl]Cl2
Explain whether the molecular structure of aspirin is likely to result in it being addictive? I'm comparing the structure to methylamphetamine
determine the rate law and rate constant for the gas-phase reaction of nitrogen monoxide and chlorine.
Calculate the binding energy E B of the helium nucleus 4 /2 He .Express your answer in millions of electron volts to four significant figures.
Z- is a weak base. An aqueous solution of NaZ is prepared by dissolving .350 mol of NaZ in sufficient water to yield 1.0 L of solution. The pH of the solution was 8.93 at 25.0 C. The Kb of Z- is
Bob dissolved .36 grams of KHP in 15 mL of water. He found out that it required 20 mL of NaOH to reach the endpoint the endpoint of the titration.
An emission line in the hydrogen spectrum appears in the infrared region at 956 nm. What transition produced this line? Clearly indicate both nf and ni.
3.47 Annual floods for a stream are normally distributed with a mean of 30,000 cfs and a variance of 1 x 106 cfs2. Determine the average return period Tr of a 32,000-cfs flood in the stream.
A Breathalyzer instrument contains two ampules, each of which contains 0.75 mg K2Cr2O7 dissolved in 3 mL of 9 mol L?1 H2SO4(aq). One of the ampules is used as reference. When a person exhales into the tube of the Breathalyzer, the breath is direct..
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